Gateway enzyme for chemicals from catnip to cancer drug

Scientists have discovered an enzyme used in nature to make powerful chemicals from catnip to a cancer drug, vinblastine. The discovery opens up the prospect of producing these chemicals cheaply and efficiently.

Scientists find aphid resistance in black raspberry

There's good news for fans of black raspberries: A U.S. Department of Agriculture (USDA) scientist and his commercial colleague have found black raspberries that have resistance to a disease-spreading aphid.

Insects shape the genetic landscape through plant defenses

As restaurant patrons' diverse food preferences give rise to varied menu offerings, so plant-eating insects' preferences play an important role in maintaining and shaping the genetic variation of their host plants in a geographic ...

Study proves that one extinction leads to another

When a carnivore becomes extinct, other predatory species could soon follow, according to new research. Scientists have previously put forward this theory, but a University of Exeter team has now carried out the first experiment ...

Introduction of Asian ladybirds into Europe serious mistake

In retrospect, introducing the Asian ladybird into Europe was a serious mistake. The insect was introduced some twenty years ago in a conscious attempt to combat aphids. But research carried out at Wageningen UR (University ...

Ladybirds thrive on organic aphids

Ladybird larvae that eat prey raised on organically-grown crops are more likely to survive than those eating aphids raised on crops grown with conventional fertiliser, a new experiment shows.

Ants farm root aphid clones in subterranean rooms

The yellow meadow ant, Lasius flavus, farms root aphids for sugar (honeydew) and nitrogen (protein). In turn these species of aphids have developed distinctive traits never found in free living species such as the 'trophobiotic ...

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